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<?php function arrayTest($key) { print_r(func_get_args()); return '1' + $key; } $arr = array('a', 'b', 'c', 'd'); $arrTwo = array_map('arrayTest', $arr); print_r($arr); print_r($arrTwo);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => a ) Fatal error: Uncaught TypeError: Unsupported operand types: string + string in /in/JFPFD:7 Stack trace: #0 [internal function]: arrayTest('a') #1 /in/JFPFD(12): array_map('arrayTest', Array) #2 {main} thrown in /in/JFPFD on line 7
Process exited with code 255.

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